220161434 has 8 divisors (see below), whose sum is σ = 330347808. Its totient is φ = 110045500.

The previous prime is 220161413. The next prime is 220161439. The reversal of 220161434 is 434161022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (220161439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8942 + ... + 22809.

It is an arithmetic number, because the mean of its divisors is an integer number (41293476).

Almost surely, 2^220161434 is an apocalyptic number.

220161434 is a deficient number, since it is larger than the sum of its proper divisors (110186374).

220161434 is a wasteful number, since it uses less digits than its factorization.

220161434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35220.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 220161434 is about 14837.8379152759. The cubic root of 220161434 is about 603.8286961389.

The spelling of 220161434 in words is "two hundred twenty million, one hundred sixty-one thousand, four hundred thirty-four".